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Mizzou Researcher Gives Pork Producers An Edge Against Extreme Heat

By Brian Consiglio

The University of Missouri is expanding an innovative, research-based mobile app that helps pork producers predict heat stress in pigs before symptoms appear.

Backed by a $1.15 million grant from the U.S. Department of Agriculture, Jay Johnson, an associate professor in the College of Agriculture, Food and Natural Resources, will build on HotHog, a smartphone app that identifies heat-related risks in pigs.

Unlike humans, pigs do not sweat, making them especially vulnerable to heat. In livestock production, excessive heat can affect animal welfare, slow growth, reduce reproductive performance and, in severe cases, lead to animal losses.

“By the time you start seeing your pigs panting, they've already been impacted," Johnson said. "The goal of the app is to help producers make management decisions before animals reach that point. That not only improves the welfare of their animals but also the economic outlook of the pork production industry, which is huge in Missouri.”

Source : missouri.edu

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In this episode of The Swine it Podcast Show Canada, Dr. Jenelle Dunkelberger, geneticist at Topigs Norsvin, explains how genetics can improve disease resilience in pigs. She explores how resilience differs from resistance, the role of genetic variation, and how breeding strategies can enhance health and performance under disease pressure. Dr. Dunkelberger also covers practical applications and future implications for swine production. Listen now on all major platforms!

"Controlled experimental trials confirm that differences in mortality and performance under disease pressure are linked to genetic background, even when environmental conditions remain consistent."

Meet the guest: Dr. Jenelle Dunkelberger / jenelle-dunkelberger-9200ab86 is a geneticist at Topigs Norsvin, where she leads the Global Health and Behavior Research Platform. She earned her PhD from Iowa State University, focusing on host genetics and disease response in pigs. Her work centers on improving swine health and performance through genetic selection for resilience and behavior traits.